Did not see this with 1.406 running with user credentials, but do see it with 1.413 running as jenkins credentials.

Other than the polling trigger issue, the build seems to work fine when manually triggered...;

ERROR: Failed to record SCM polling
java.lang.NullPointerException
at hudson.plugins.clearcase.AbstractClearCaseSCM.pollForChanges(AbstractClearCaseSCM.java:674)
at hudson.plugins.clearcase.AbstractClearCaseSCM.compareRemoteRevisionWith(AbstractClearCaseSCM.java:469)
at hudson.scm.SCM._compareRemoteRevisionWith(SCM.java:354)
at hudson.scm.SCM.poll(SCM.java:371)
at hudson.model.AbstractProject.poll(AbstractProject.java:1299)
at hudson.triggers.SCMTrigger$Runner.runPolling(SCMTrigger.java:420)
at hudson.triggers.SCMTrigger$Runner.run(SCMTrigger.java:449)
at hudson.util.SequentialExecutionQueue$QueueEntry.run(SequentialExecutionQueue.java:118)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
at java.lang.Thread.run(Thread.java:619)